98 lines
2.3 KiB
Rust
98 lines
2.3 KiB
Rust
use core::ops::Deref;
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use diesel::prelude::*;
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use reqwest;
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use reqwest::header::{Authorization, Basic};
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use std::io;
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use std::thread;
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use std::time;
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use db::{ConnectionSource, DB};
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use db::ddns_config;
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use errors;
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#[derive(Clone, Debug, Deserialize, Insertable, PartialEq, Queryable, Serialize)]
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#[table_name="ddns_config"]
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pub struct DDNSConfig {
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pub host: String,
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pub username: String,
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pub password: String,
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}
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pub trait DDNSConfigSource {
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fn get_ddns_config(&self) -> errors::Result<DDNSConfig>;
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}
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impl DDNSConfigSource for DB {
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fn get_ddns_config(&self) -> errors::Result<DDNSConfig> {
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use self::ddns_config::dsl::*;
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let connection = self.get_connection();
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Ok(ddns_config
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.select((host, username, password))
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.get_result(connection.deref())?)
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}
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}
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#[derive(Debug)]
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enum DDNSError {
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InternalError(errors::Error),
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IoError(io::Error),
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ReqwestError(reqwest::Error),
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UpdateError(reqwest::StatusCode),
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}
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impl From<io::Error> for DDNSError {
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fn from(err: io::Error) -> DDNSError {
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DDNSError::IoError(err)
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}
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}
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impl From<errors::Error> for DDNSError {
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fn from(err: errors::Error) -> DDNSError {
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DDNSError::InternalError(err)
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}
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}
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impl From<reqwest::Error> for DDNSError {
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fn from(err: reqwest::Error) -> DDNSError {
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DDNSError::ReqwestError(err)
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}
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}
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const DDNS_UPDATE_URL: &'static str = "https://ydns.io/api/v1/update/";
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fn update_my_ip<T>(config_source: &T) -> Result<(), DDNSError>
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where T: DDNSConfigSource
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{
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let config = config_source.get_ddns_config()?;
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if config.host.len() == 0 || config.username.len() == 0 {
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println!("Skipping DDNS update because credentials are missing");
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return Ok(());
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}
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let full_url = format!("{}?host={}", DDNS_UPDATE_URL, &config.host);
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let auth_header = Authorization(Basic {
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username: config.username.clone(),
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password: Some(config.password.to_owned()),
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});
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let client = reqwest::Client::new()?;
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let res = client
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.get(full_url.as_str())
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.header(auth_header)
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.send()?;
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if !res.status().is_success() {
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return Err(DDNSError::UpdateError(*res.status()));
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}
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Ok(())
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}
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pub fn run<T>(config_source: &T)
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where T: DDNSConfigSource
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{
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loop {
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if let Err(e) = update_my_ip(config_source) {
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println!("Dynamic DNS update error: {:?}", e);
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}
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thread::sleep(time::Duration::from_secs(60 * 30));
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}
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}
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